/* 重置样式 */

* {
    padding: 0;
    margin: 0;
    -webkit-box-sizing: border-box;
    box-sizing: border-box;
    /* 取消轻触黑色透明光圈 */
    -webkit-tap-highlight-color: rgba(0,0,0,0);
}
body {
    font: 12px/1.5 "Microsoft YaHei";
    background-color: #f1f1f1;
}
html,body{
    height: 100%;
}
ul li ,ol li {
    list-style: none;
}
table {
    border-collapse: collapse;
}
img {
    border:none;
    display: block;
}
input,textarea,button {
    outline: none;
    border:none;

}
input,textarea {
    /* 取消默认的内侧阴影 */
    -webkit-appearance: none;

}
em,strong,b,i {
    font-style: normal;
    font-weight: 400;
}
a {
    text-decoration: none;
    color: #6b6b6b;
}
.clearfix::after{
    content: '';
    display: block;
    clear: both;
}

@media screen and (min-width:320px) {

    html {
        font-size: 42.67px;
    }

}
@media screen and (min-width:360px) {
    html {
        font-size: 48px;

    }
    
}
@media screen and (min-width:375px) {
    html {
        font-size: 50px;
    }
}
@media screen and (min-width:414px) {
    html {
        font-size: 55.2px;
    }
    
}
@media screen and (min-width:420px) {
    html {
        font-size: 56px;
    }
    
}
@media screen and (min-width:540px) {
    html {
        font-size: 72px;

    }
    
}

@media screen and (min-width:750px) {
   /* 预设基础值 */
    html {
        font-size: 100px;
    }
    
}